alaTest has collected and analyzed 12 user reviews of Keurig K-Cup K40 Elite from Amazon.com. The average user rating for this product is 3.7/5, compared to an average user rating of 3.8/5 for other products in the same category on Amazon.com. Views about the reliability and design are overall positive. The usability and performance are also mentioned favorably, whereas the price and durability get mixed reviews. There are some negative reviews about the size.